
class MyRunnable implements Runnable {
    @Override
    public void run() {
        while (true) {
            System.out.println("线程");
        }
    }
}


public class Demo2 {
    public static void main(String[] args) {
        MyRunnable myRunnable = new MyRunnable();
        Thread thread = new Thread(myRunnable);
        thread.start();
        while (true) {
            System.out.println("主函数");
        }
    }
}
